diff options
| -rw-r--r-- | src/network/access/qnetworkaccesshttpbackend.cpp | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/network/access/qnetworkaccesshttpbackend.cpp b/src/network/access/qnetworkaccesshttpbackend.cpp index 42dc33d..1d85f3a 100644 --- a/src/network/access/qnetworkaccesshttpbackend.cpp +++ b/src/network/access/qnetworkaccesshttpbackend.cpp @@ -353,10 +353,12 @@ void QNetworkAccessHttpBackend::validateCache(QHttpNetworkRequest &httpRequest, QNetworkRequest::CacheLoadControl CacheLoadControlAttribute = (QNetworkRequest::CacheLoadControl)request().attribute(QNetworkRequest::CacheLoadControlAttribute, QNetworkRequest::PreferNetwork).toInt(); if (CacheLoadControlAttribute == QNetworkRequest::AlwaysNetwork) { - // forced reload from the network - // tell any caching proxy servers to reload too - httpRequest.setHeaderField("Cache-Control", "no-cache"); - httpRequest.setHeaderField("Pragma", "no-cache"); + // If the request does not already specify preferred cache-control + // force reload from the network and tell any caching proxy servers to reload too + if (!request().rawHeaderList().contains("Cache-Control")) { + httpRequest.setHeaderField("Cache-Control", "no-cache"); + httpRequest.setHeaderField("Pragma", "no-cache"); + } return; } |